Valve



Dec. 18, '1934. p RlEDEL 1,984,497

VALVE Filed July 20, 1933 2 SheGtS-Shet l @ttor/nado.

F. RIEDEL VALVE Filed July 20, 1933 2 SheetS-Sheet 2 mocfnfoz Ze Zz'ecZeZ Dec. 18, 1934.

Patented Dec. 18, 1934 UNITED sl'raiEg-s;v

PATENT oFFibE 6 Claims.

Theinventionf relates: to a new and improved valve of the general type in which a discharge tube for the fluid extends rotatably into `the `valve body and is rotated to eiect opening' and closing of the Valve. Y l y l It is one objectief the invention tovprovide an exceptionally simple and inexpensivey valve of the type setiorth, yet one which will be Veiiicient Yand reliable. The valve is .providedvvi-thv a central neck having a cross head which is slidablyand non-rotatably mounted within the valve-.body or casing, and .the discharge'tube risv` provided with cams col-operable with said cross head to force the valve from its' seat, said valve being normally held seatedmby thetu-idfpressureheld in-.fcheck therebyf and ay further object isto provide solid abutment means against which the aforesaid cams tightly hold said cross head-while the valve is fully open, thereby holding said valve and parte connected therewith' against chattering.

Another object of the invention isrto provide the valvefbody and the `fluid discharge tube with 3c-acting means inter-engageable by inward `sliding of said tube, for holding the tube temporarily against rotationl when' desired, for instance when connecting a hose'or other `fluid conductory to or disconnecting itl'from the-outer end of l said tube.

Theinvention is usable for a wide variety of purposes, some of l which are to individually. control sprinklers set into theground, to control the discharge of water from hydrants orthe like. particularly when such hydrants' are rendered accessible' only by lifting acover plate `which is normally flush with: the? groundg side-walk `or the like, for controlling the discharge ofswater into closet bowls for iiushing, etc.

With the above objects in view,lthe invention resides in the novel subject matter hereinafter described and claimed. description` being accomplishedl by reference to the accompanying drawings.

Fig 1 is avertical sectional view showing the valve embodied in a hydrant which `is accessible only when a cover plate-is raised, the valve being shown in closed position.

ig. 2 is a view similar to Fig. 1 but' showing the hose attached andthe valve held solidly `in open position. t

Fig. 3" is a detail vertical sectional view oiilline 3;-3 of Fig. 2. y p

Fig'. 4 is a horizontall sectional.vievv'onI line of Fig; 2. i

Fig. 5 isi a sectional view showing a flush valve constructed in accordance with the invention. A

Figs; 6 and 7v areside elevations showing'dis'- (CI. 13T- 13) charge tubes having inner end constructions somewhat different from that shown in preceding views.

In the drawings above brieiiy described, the numeral 8 denotes a substantially cylindrical hollow body having a-luid inlet 9 at one end, the opposite end 10 of said body being open. Between its ends, thebody is provided wit-11 an internal ledge 11 of annular form which may be formed in part by a removable ring 12. The axis of the ledge 11 and its ring 12, is in line with the axis of the open valve body end 10, and the side of the ledge and ring toward said open end are in a plane at right angles to said axes to constitute an annular abutment 13. The opposite side of the ring 12 is. preferably beveled and constitutes an annular kvalve seat 14 facing the inlet 9.

A valve l5, preferably Vlorrned from rubber, is provided to seat against theyseat 14, said valve beingvprovided with a centralv neck 16 which extends toward the open end 10 of the body 8. This neck is provided with a diametrically extending cross head 17 having curved end faces 18 which lie slidably against the interior of the cylindrical sidewall 19f oi the casing yor body 8. At least one end ofthe cross head17 is formed with a groove' 20 slidably engaged with a lug 21 on the wall -19, so that the cross head cannot rotate.

The neck 16 is preferably provided with a .central projecting stud 22'which passes through lacentral opening 23- in the valve 15 and .frictionally engages the wall of said opening to holdtheyvalve andneck in assembled relation. The neck and the cross head 17 may well be integral with each other and the same is true oi-r saidneckand the studl 22 although the latter maygwellbe threaded into said neck if desired.

VA fluid discharge tube 24 passes rotatably into the body 8 through the open end 10 of the latter, the inner endof said tube 24 being provided with valve opening cams which are denoted at 25 in most views. Fig. 7 however, discloses somewhat different ,cams which are given the reference character 25a. These cams 25 or 25a are oon operable with the end portions of the cross head 17 to force this oross'head toward the ledge 11 when the tube 24 `is turned in the proper direction, thereby opening the valve 15. The cams `are of such size that they force the cross head 17 `entirely to the ledge 11 and may thus solidly hold said cross head against said ledge while the valve stands fully open as seen in Figs. 2 and 3, the unitforrned by the parts 15, 16, 17 and' 22, bei-ng thereby held against chattering.

When the discharge tube 24 is turned in the reverse direction, the valve 15 is allowed to close, the closing movement of said valve being effected by the pressure behind said valve.

In Figs. 1 and 2, it is intended that a hose (H in Fig. 2) be coupled by the usual coupling C to the outer end of the discharge tube 24. It is therefore necessary to hold this tube against rotation in valveopening direction, while said coupling is being threadedV onto or from` saidl tube. To accomplish this, I provide the inner end of the tube 24 with notches 26 which will receive the ends of the cross head 17, when said tube is pushed inwardly. The coupling C may.. thus be engaged with or disengaged from the* tube 24, without danger of the latterrotating., and eiecting undesired movement of the valve.. l7, and when said tube is again pulled outward- 't' ly, it is in readiness for rotation to effect valve operation.

The inner end portion of the tube 24 is provided with an outwardly facing continuous shoulder 27, a gland 28 is threaded into the open end of the body 8 so that the inner end of said gland constitutes an inwardly facing continuous shoulder, and a packing ring 29 is interposed between the two shoulders. When the tube 24 is rotated to force the valve l from its seatli, these shoulders and the ring 29 receive the thrusts exerted by the cams 25 or 25a onsaid tube, and when the cams finally force thefcross head 17 solidly against the ledge 11, the endwise outward thrusts on tube 24, serve to very tightly clamp the ring 29 between the shoulder 27 and the inner end ofthe gland 28, thereby overcoming any danger of leakage.

In the construction shown in Figs'. land 2, the tube 24 and the upper portion of the body 8 are surrounded by a casing 30 having a hinged cover 31, said casing being connected with said body by projecting studs 32 on the former 'received in openings inthe latter. These studs may also be used in rotating the body 8 when threading it onto a water supply pipe or main. This pipe or main, the body 8 and the casing 30 are intended to be embedded in the ground or in a pavement, side-walk or the like, with the cover 31 substantially iiush with the surface, so that access may be had to the tube 24 by raising said cover. In the construction so far described, it is intended that a conventional hose be connected with the outer end of the tube 24, but obviously the invention is not restricted to use with a hose, for any desired fluid conducting means could be mounted upon 'or connected with this tube, one of the principal uses of the invention being in connection with a sprinkler embedded in the ground with only its upper end accessible. Regardless of what kind of uid conducting means be connected with the outer end of tube 24, rotation of the latter serves to effect valve opening and valveclosing. 5 In the flush valve shown in Fig. 5, the outer end of the discharge tube 24 is swiveled at 33 in a pipe section 34 leading to a toilet bowl, and a lever 35 is secured to said tube 24 between the swivel 33 and the gland 28, so that the tube may be rotated to effect valve opening or valve closing, as desired. Obviously, this construction is not restricted to use as a flush valve but could be employed for any other purpose. The lugs 132 in this construction need not be engaged with any casing such as 30, but may well constitute Aconvenient means for either holding the body or for rotating said body, when assembling or disassembling parts.

Fig. 6 discloses the fact that the inner end of the tube 24 need not have the notches 26, unless it be embodied in an assemblage requiring that said tube be held against rotation at one time or another.

Fig. 7 merely shows that the cams on the tube 24 are not restricted to the shape shown in the other views. The earn shown in `Fig. Twill permit the valve to'be opened and closed -byturning the tube 24 always in the same direction, whereas when the cams 25 are used, said tube is turned inione direction to force the valve from its seat and is turned in the other direction to allow valve closing.

It will bev seen from the foregoing that novel and advantageous structure has been provided .for carrying out the objects of the invention.

While preferred details have been disclosed, variations may, of course, be made within the scope of the invention as' claimed.

1. A valvecomprising a hollow body containing a valve, a stop for limiting the opening movement of said valve, 'a discharge sleeve extending rotatably into said body, said sleeve being adapted to remain permanently assembled with the body and having means on its outer end for detachable connection with an extraneous hose coupling, a cam on the inner end of said discharge sleeve'for forcing said valve open to the extent allowed by said stop and for simultaneously exerting an outward end thrust on the sleeve, acontinuous external `shoulder on` said discharge sleeve facing toward the outer end of the same, a second continuous shoulder in said body facing the sleeve shoulder, and a packing ring surrounding said discharge sleeve between and in contact with said shoulderawhereby the outward thrust on the discharge sleeve when the valve is forced open to the limit allowed by said stop will tightly clamp said packing ring between said shoulders.

2. In a valve ofthe type in which a discharge tube extends into a valve body and is rotatable yto operate a valve within said body; means operable by inward sliding of said tube to temporarily prevent rotation of the latter with respect to said body, said means including one portion rigidly carried by said discharge tube, and a; relatively fixed portion non-rotatably connected with said'body, said two portions being normally separated and being operatively engageable by said inward sliding of said discharge tube. v l

3. In a valve of the type in which a discharge tube extends-into a valve body and is rotatable to operate a valve within said body;` means for holding said valve against rotation within said body, and co-acting means on said discharge tube and valve engageable by inwardsliding of `said tube to temporarily hold the latter against rotation with respect to said valve.

4. In a valve, a hollow body having an open Aendffand a valve seat at right angles to the axis of and facingY away from said open end, a valve co-operable with said seat and having a central neck extending toward'said open end, said neck being provided with a slidably and non-rotatably Amounted cross head between said seat and said kopen end, abutment means at the end of the valve-opening travel of said cross head, a discharge tube extending rotatably into said `body through said open end thereof, said discharge tube being adapted to remain permanently engaged with said body and having means at its outer end adapting it for detachable connection with an extraneous hose coupling, said discharge tube having valve-opening cam means to force said cross head to said abutment means when said discharge tube is rotated in valve-opening direction, said cam means being adapted to hold said cross head solidly against said abutment means when the valve is fully opened, and means for resisting the outward thrust exerted on said discharge tube by said cam means, including an outwardly facing continuous shoulder on said discharge tube, an inwardly facing continuous shoulder on said body, and a packing ring surrounding said discharge tube between and in contact with said continuous shoulders, whereby the outward thrust on said discharge tube when said cam means forces said cross head tightly against said abutment means, serves to tightly clamp said packing ring between said continuous shoulders.

5. A valve comprising a hollow body having a fluid inlet and an open end spaced from said inlet, said body being provided between said inlet and said open end with an internal annular ledge, one side of said ledge being disposed substantially at right angles to the axis of said open end of the body and constituting an annular abutment disposed toward said open end, the other side of said ledge constituting an annular valve seat, a valve co-operable with said valve seat and having a neck extending toward said open end of said body, a cross head on said neck slidably and nonrotatably engaging said body, said cross head being spaced from said annular abutment when the valve is closed, a discharge tube extending rotatably into said body through said open end thereof, said discharge tube being adapted to remain permanently engaged with said body and having means on its outer end adapting it for detachable connection with an extraneous hose coupling, the inner end of said discharge tube being provided with valve opening cams to engage said cross head and force it toI said abutment when said discharge tube is rotated, said cams being adapted to hold said cross head solidly against said abutment when the valve is fully opened, and means for resisting the outward thrust exerted by said cams upon said discharge tube, including an outwardly facing continuous shoulder on said discharge tube, an inwardl7 facing continuous shoulder on said body, and a packing ring surrounding said discharge tube between and in contact with said continuous shoulders, whereby the outward thrust on said discharge tube when said cams force said cross head against said abutment serves to tightly clamp said packing ring between said annular shoulders.

6. A valve comprising a hollow body having a uid inlet, an annular valve seat, and an open end spaced from and alined with said seat, a valve within said body co-operable with said seat and having a central neck extending toward said open end of said body, a cross head within said body carried by said neck and having end faces slidably engaged with the side wall of said body, said side wall and cross head having co-acting portions for preventing turning of said cross head circumferentially of said side wall, a discharge tube extending rotatably into said body through said open end thereof, the inner end of said discharge tube being provided with valve opening cams to engage said cross head when said discharge tube is rotated, and means for holding said discharge tube against outward sliding, the inner end of said discharge tube being notched to engage said cross head when the tube is slid inwardly, whereby said tube may temporarily be held against rotation when desired.

PETER RIEDEL. 

